Jack plate bracket



FIG. 1 is a front elevational view of the jack plate bracket, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines shown in the drawings represent unclaimed portions of the jack plate bracket and form no part thereof. 

The ornamental design for a jack plate bracket, as shown and described. 